2 a) From the Latimer diagram (in acid solution) below, discuss whether a) Pu(V) disproportionates to...
2 a) From the Latimer diagram (in acid solution) below, discuss
whether a) Pu(V) disproportionates to
Pu(IV) and Pu(VI) in aqueous solution, (b) Pu(IV) disproportionates
into Pu(V) and Pu(III).
PuO22+
+1.02 PuO2+1.02 +
Pu4++1.01 Pu3+
+6 ----------------- +5 ----------------- +4 ----------------- +3
Homework Answers
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2 a) From the Latimer diagram (in acid solution) below, discuss
whether a) Pu(V) disproportionates to...
5. Given the Latimer diagram below, for vanadium in basic solution: vor 2.190. HV.0.0.542, v.0. 1,496...
5. Given the Latimer diagram below, for vanadium in basic solution: vor 2.190. HV.0.0.542, v.0. 1,496 VO 4.320 V a. Construct the Frost diagram [8 marks) b. Identify the vanadium species that is the strongest oxidizing agent. 1 mark] C Calculate the potential for the reduction of V.O, to V. [3% marks]
The Latimer potential diagram for iodine in 1M aqueous acid is given below: +1.44 +1.60 H3106...
The Latimer potential diagram for iodine in 1M aqueous acid is given below: +1.44 +1.60 H3106 +1.13 10; 10 +0.535 12 I a. What is the potential for the 103:/: redox couple? b. Identify any species that are unstable with respect to disproportionation. C. If any species are unstable as per your assignment in (b), write a balanced chemical equation and calculate the standard Gibbs free energy change for the disproportionation reaction.
5. The Latimer diagram for nitrogen in acidic solutions is shown below: +5 +4 +3 +2...
5. The Latimer diagram for nitrogen in acidic solutions is shown below: +5 +4 +3 +2 +1 0 -1 -2 -3 0.80 1.07 1.00 1.59 1.77 -1.87 1.41 1.28 NO3- ? N2O4 ? HNO2 ? NO ? N2O ? N2 ? NH3OH+ ? N2H5+ ? NH4+ (a) Write a balanced half reaction for reduction of NO to NH4+ in acid. (b) What is the value of Eo for the half reaction in part (a)? (c) Is this half reaction more...
1. Using the following latimer diagram (acidic conditions), what is the potential of the missing value...
1. Using the following latimer diagram (acidic conditions), what
is the potential of the missing value (labeled by the ? going from
H3PO4 to H3PO2)
Use the latimer diagram to solve Question 1 and
2.
en 1. Using the following Latimer diagram (acidic conditions), what is the potential of the missing value the "?")? Answer: -0.93 0.38 -0.50 -0.51 -0.06 H₂PO HP H₂PO H₂po, PH₂ -0.28 -0.50 2. Based on the same diagram, will H3PO, disproportionate? Answer: 4. In each...
II: ketone III: carboxylic acid IV: 2° alcohol V: cyclic ester II: carboxylate III: aldehyde IV:...
II: ketone III: carboxylic acid IV: 2° alcohol V: cyclic ester II: carboxylate III: aldehyde IV: epoxide V: ketone II: ketone III: carboxylic acid IV: 3° alcohol V: cyclic ester II: ether III: ketone IV: 3° alcohol V. ketone II: ketone III: carboxylic acid IV: Valcohol V/ cyclic ester 2. Choose the more stable of each of the three pairs of structures drawn below. a H 5 4. 1. 3. [c]1,3&5 6. [e] 1,4&5 [a] 1,4&6 [b] 2,4&6 [d] 2,3&5
4. Consider the reaction energy diagram below. Consider the "potential energy" to be equal to enthalpy....
4. Consider the reaction energy diagram below. Consider the "potential energy" to be equal to enthalpy. Potential energy Reaction progress First, indicate on the diagram the activation energy, transition state, and the change of enthalpy for every step of this step-wise process, as well as the change in enthalpy for the overall reaction. Then, answer the following questions: (i) How many elementary steps are there in the mechanism of this reaction? (ii) Which of these steps is the rate-determining step?...
1. Devise a method of converting trans-2-methyl-3-hexene into -4-methylpentanoic acid. 2. Show that you understand the...
1. Devise a method of converting trans-2-methyl-3-hexene into -4-methylpentanoic acid. 2. Show that you understand the concept of retrosynthetic analysis by working backwards two steps in the synthesis below. Identify possible combinations of A and B that can lead to the alkyne C): A) B-1 and A-VI B) B-V and A I C) B-III and A-VII D) B-IV and A-VII E) B-T and A-III F) B-VI and A-VIII 3. Show that you understand the concept of retrosynthetic analysis by working...
0, Which of the statements below about an acid-base buffer solution is/are true? IIt can be...
0, Which of the statements below about an acid-base buffer solution is/are true? IIt can be prepared by combining a strong acid with a salt of its conjugate base VII. It can be prepared by combining a weak acid with a salt of its conjugate base IID It can be prepared by combining a weak base with its conjugate acid V. The pH of a buffer solution does not change when the solution is diluted. A buffer solution resists changes...
1. (a) Balance the following half-reactions by the ion-electron half-reaction method: (i) (acid solution) HSO3- (aq)...
1. (a) Balance the following half-reactions by the ion-electron half-reaction method: (i) (acid solution) HSO3- (aq) → SO42- (aq) (ii) (acid solution) Pu(OH)4 (8) ► Pu+ (aq) (iii) (base solution) CN- (aq) → OCN- (aq) (iv) (base solution) RhO42- (aq) → Rh,03 (s) (b) Which of the above equations are oxidation half-reactions? (c) Give the formulas of the reactants that become oxidized in the course of the reactic Balance the following redox equations by the ion-electron half-reaction method: (a) (acid...
Potential energy Reaction progress First, indicate on the diagram the activation energy, transition state, and the...
Potential energy Reaction progress First, indicate on the diagram the activation energy, transition state, and the change of enthalpy for every step of this step-wise process, as well as the change in enthalpy for the overall reaction. Then, answer the following questions: (i) How many elementary steps are there in the mechanism of this reaction? (ii) Which of these steps is the rate-determining step? (iii) How many of the individual steps are exothermic? (iv) Is the overall reaction endothermic or...
5. Given the Latimer diagram below, for vanadium in basic solution: vor 2.190. HV.0.0.542, v.0. 1,496 VO 4.320 V a. Construct the Frost diagram [8 marks) b. Identify the vanadium species that is the strongest oxidizing agent. 1 mark] C Calculate the potential for the reduction of V.O, to V. [3% marks]
The Latimer potential diagram for iodine in 1M aqueous acid is given below: +1.44 +1.60 H3106 +1.13 10; 10 +0.535 12 I a. What is the potential for the 103:/: redox couple? b. Identify any species that are unstable with respect to disproportionation. C. If any species are unstable as per your assignment in (b), write a balanced chemical equation and calculate the standard Gibbs free energy change for the disproportionation reaction.
1. Using the following latimer diagram (acidic conditions), what
is the potential of the missing value (labeled by the ? going from
H3PO4 to H3PO2)
Use the latimer diagram to solve Question 1 and
2.
en 1. Using the following Latimer diagram (acidic conditions), what is the potential of the missing value the "?")? Answer: -0.93 0.38 -0.50 -0.51 -0.06 H₂PO HP H₂PO H₂po, PH₂ -0.28 -0.50 2. Based on the same diagram, will H3PO, disproportionate? Answer: 4. In each...
II: ketone III: carboxylic acid IV: 2° alcohol V: cyclic ester II: carboxylate III: aldehyde IV: epoxide V: ketone II: ketone III: carboxylic acid IV: 3° alcohol V: cyclic ester II: ether III: ketone IV: 3° alcohol V. ketone II: ketone III: carboxylic acid IV: Valcohol V/ cyclic ester 2. Choose the more stable of each of the three pairs of structures drawn below. a H 5 4. 1. 3. [c]1,3&5 6. [e] 1,4&5 [a] 1,4&6 [b] 2,4&6 [d] 2,3&5
4. Consider the reaction energy diagram below. Consider the "potential energy" to be equal to enthalpy. Potential energy Reaction progress First, indicate on the diagram the activation energy, transition state, and the change of enthalpy for every step of this step-wise process, as well as the change in enthalpy for the overall reaction. Then, answer the following questions: (i) How many elementary steps are there in the mechanism of this reaction? (ii) Which of these steps is the rate-determining step?...
1. Devise a method of converting trans-2-methyl-3-hexene into -4-methylpentanoic acid. 2. Show that you understand the concept of retrosynthetic analysis by working backwards two steps in the synthesis below. Identify possible combinations of A and B that can lead to the alkyne C): A) B-1 and A-VI B) B-V and A I C) B-III and A-VII D) B-IV and A-VII E) B-T and A-III F) B-VI and A-VIII 3. Show that you understand the concept of retrosynthetic analysis by working...
0, Which of the statements below about an acid-base buffer solution is/are true? IIt can be prepared by combining a strong acid with a salt of its conjugate base VII. It can be prepared by combining a weak acid with a salt of its conjugate base IID It can be prepared by combining a weak base with its conjugate acid V. The pH of a buffer solution does not change when the solution is diluted. A buffer solution resists changes...
1. (a) Balance the following half-reactions by the ion-electron half-reaction method: (i) (acid solution) HSO3- (aq) → SO42- (aq) (ii) (acid solution) Pu(OH)4 (8) ► Pu+ (aq) (iii) (base solution) CN- (aq) → OCN- (aq) (iv) (base solution) RhO42- (aq) → Rh,03 (s) (b) Which of the above equations are oxidation half-reactions? (c) Give the formulas of the reactants that become oxidized in the course of the reactic Balance the following redox equations by the ion-electron half-reaction method: (a) (acid...
Potential energy Reaction progress First, indicate on the diagram the activation energy, transition state, and the change of enthalpy for every step of this step-wise process, as well as the change in enthalpy for the overall reaction. Then, answer the following questions: (i) How many elementary steps are there in the mechanism of this reaction? (ii) Which of these steps is the rate-determining step? (iii) How many of the individual steps are exothermic? (iv) Is the overall reaction endothermic or...
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